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  3. 9th Class
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  5. Time and Motion

9th Class Science Time and Motion Question Bank Case Based MCQs - Motion

  • question_answer
    What is the average velocity of insect in moving from A to B?

    A) 10 cm/min      

    B) 20 cm/min

    C) 30 cm/min      

    D) zero

    Correct Answer: A

    Solution :

    [a] Average velocity,
            \[{{v}_{av}}=\frac{\operatorname{Displacement} }{Time}\]
            =\[\frac{20\operatorname{cm} }{1\ \min }\] = 20 cm/min
     


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